Title | Peterson Field Guides: To the Birds East of the Rockies |
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Author | Roger Tory Peterson |
Edition | 4th |
ISBN | 0-395-36164-8 |
Category | Birds; Illustrated; Field Guide; Identification; Rockies; North America |
Number of Copies | 1 |
Illustrators/Photographers | Roger Tory Peterson; Virginia Marie Peterson (maps) |